Base | Representation |
---|---|
bin | 1101000010110… |
… | …1111010000010 |
3 | 10210221202110221 |
4 | 3100231322002 |
5 | 103001321421 |
6 | 5232413254 |
7 | 1233026665 |
oct | 320557202 |
9 | 123852427 |
10 | 54713986 |
11 | 28980478 |
12 | 163a722a |
13 | b448c52 |
14 | 73a36dc |
15 | 4c0b841 |
hex | 342de82 |
54713986 has 4 divisors (see below), whose sum is σ = 82070982. Its totient is φ = 27356992.
The previous prime is 54713983. The next prime is 54713999. The reversal of 54713986 is 68931745.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68931745 = 5 ⋅13786349.
It can be written as a sum of positive squares in only one way, i.e., 45981961 + 8732025 = 6781^2 + 2955^2 .
It is not an unprimeable number, because it can be changed into a prime (54713983) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13678495 + ... + 13678498.
Almost surely, 254713986 is an apocalyptic number.
54713986 is a deficient number, since it is larger than the sum of its proper divisors (27356996).
54713986 is a wasteful number, since it uses less digits than its factorization.
54713986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27356995.
The product of its digits is 181440, while the sum is 43.
The square root of 54713986 is about 7396.8902925486. The cubic root of 54713986 is about 379.6348893816.
The spelling of 54713986 in words is "fifty-four million, seven hundred thirteen thousand, nine hundred eighty-six".
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